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InstanceView.java
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InstanceView.java
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/*
* Copyright 2017 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jbpm.persistence.api.integration;
import java.io.Serializable;
/**
* Generic view of an instance that is triggering an event. This view is to provide simple data access to
* event data, though it does provide handle (getSource) to get hold of "raw" instance if more information
* is required.
*
* @param <T> type of the instance this view corresponds to
*/
public interface InstanceView<T> extends Serializable {
/**
* Returns "raw" object instance for this view
* @return source of this view
*/
T getSource();
/**
* Triggers to copy data from source to view. Different implementations of the view
* might have different needs on when this would happen.
* PersistentEventManager will invoke it before delivering if it was not done before.
*/
void copyFromSource();
}